<https://basicroleplaying.org/topic/7820-anyone-got-plausible-price-suggestions-for-late-antiquity-to-renaissance-ships/#comment-112469>
<http://schema.org/text>
"rowboat 100, large rowboat 300, canoe 100, small raft 50, large barge 500, war galley 7000, bireme 15.000, trireme 25.000, longship 3000, knorr 4000, large cog 10.000 (Advanced RuneQuest 1987, page 122)\n "
<https://basicroleplaying.org/topic/7820-anyone-got-plausible-price-suggestions-for-late-antiquity-to-renaissance-ships/>